101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
/*
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* Copyright (C) 2011-2016 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __libardour_pannable_h__
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#define __libardour_pannable_h__
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#include <memory>
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#include <string>
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#include "pbd/stateful.h"
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#include "evoral/Parameter.h"
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#include "ardour/automatable.h"
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#include "ardour/session_handle.h"
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namespace ARDOUR {
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class Session;
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class AutomationControl;
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class Panner;
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class LIBARDOUR_API Pannable : public PBD::Stateful, public Automatable, public SessionHandleRef
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{
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public:
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Pannable (Session& s, Temporal::TimeDomainProvider const &);
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~Pannable ();
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std::shared_ptr<AutomationControl> pan_azimuth_control;
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std::shared_ptr<AutomationControl> pan_elevation_control;
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std::shared_ptr<AutomationControl> pan_width_control;
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std::shared_ptr<AutomationControl> pan_frontback_control;
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std::shared_ptr<AutomationControl> pan_lfe_control;
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std::shared_ptr<Panner> panner() const { return _panner.lock(); }
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void set_panner(std::shared_ptr<Panner>);
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const std::set<Evoral::Parameter>& what_can_be_automated() const;
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void set_automation_state (AutoState);
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AutoState automation_state() const { return _auto_state; }
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PBD::Signal1<void, AutoState> automation_state_changed;
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bool automation_playback() const {
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return (_auto_state & Play) || ((_auto_state & (Touch | Latch)) && !touching());
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}
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bool automation_write () const {
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return ((_auto_state & Write) || ((_auto_state & (Touch | Latch)) && touching()));
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}
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void start_touch (timepos_t const & when);
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void stop_touch (timepos_t const & when);
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bool touching() const { return _touching.load(); }
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bool writing() const { return _auto_state == Write; }
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bool touch_enabled() const { return _auto_state & (Touch | Latch); }
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XMLNode& get_state () const;
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int set_state (const XMLNode&, int version);
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bool has_state() const { return _has_state; }
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void start_domain_bounce (Temporal::DomainBounceInfo&);
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void finish_domain_bounce (Temporal::DomainBounceInfo&);
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protected:
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virtual XMLNode& state () const;
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std::weak_ptr<Panner> _panner;
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AutoState _auto_state;
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bool _has_state;
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uint32_t _responding_to_control_auto_state_change;
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std::atomic<int> _touching;
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void control_auto_state_changed (AutoState);
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private:
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void value_changed ();
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};
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} // namespace
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#endif /* __libardour_pannable_h__ */
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